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PCF2127AT/1 数据表(PDF) 60 Page - NXP Semiconductors

部件名 PCF2127AT/1
功能描述  Integrated RTC, TCXO and quartz crystal
PDF  80 Pages
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制造商  NXP [NXP Semiconductors]
网页  http://www.nxp.com
标志 NXP - NXP Semiconductors

PCF2127AT/1 数据表(HTML) 60 Page - NXP Semiconductors

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PCF2127A_2
All information provided in this document is subject to legal disclaimers.
© NXP B.V. 2010. All rights reserved.
Product data sheet
Rev. 02 — 7 May 2010
60 of 80
NXP Semiconductors
PCF2127A
Integrated RTC, TCXO and quartz crystal
Fig 44. Bus protocol, writing to RAM
001aaj720
S
slave address
1
0
1
0
0
0
1
0
write bit
A
A
set RAM
address
RAM write
command
write data
to RAM
acknowledge
from PCF2127A
acknowledge
from PCF2127A
register address 1Ah
A
A
acknowledge
from PCF2127A
P/S
slave address
0 to n
data bytes
1
0
1
0
0
0
1
0
write bit
A
A
acknowledge
from PCF2127A
acknowledge
from PCF2127A
acknowledge
from PCF2127A
register address 1Ch
acknowledge
from PCF2127A
data byte 1Bh
data byte 1Ah
A
P
data byte (RAM address)



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